Car-coupling



(No Model.) Q

S. B. DOVER.

GAB. COUPLING. v No. 479,635. Patented July 26, 1892.

, N YYY I gwwwboz 'l qM/weoow g Q awzwz/ p a 2 E UNITED STATES PATENT@EEICE.

SAMUEL B. DOVER, OF ADAIRSVILLE, GEORGIA.

CAR-COUPLING.

SPECIFICATION forming part of Letters Patent No. 479,635, dated July 26,1892.

Application filed April 4:, 1892. Serial No. 427L765- (No model.)

To all whom it may concern:

Be it known that I, SAMUEL B. DOVER, of Adairsville, in the county ofBartow and State of Georgia, have invented certain new and usefulImprovements in Automatic Oar-Couplings; and I do hereby declare thefollowing to be a full, clearyand exact description of the invention,such as will enable others skilled in the art to which it pertains tomake and use it, reference being had to the accompanying drawings, whichform part of this specification.

My invention relates to improvements in automatic car-couplings; and itconsists in the construction and arrangement of parts, which will befully described hereinafter, and particularly referred to in the claims.

The object of my invention is to provide an automatic car-couplinghaving two jaws pivoted at its front end and at opposite sides thereofand an operating and locking bar, which when engaged by the jaw of anadjoining car moves inward and forces the jaws together and by means ofa lock is held in this inward position, which looks the jaws closed.

, In the accompanying drawings,Figure 1 is a vertical longitudinalsection of a coupler which embodies my invention. Fig. 2 is a horizontalsection of the same.

A indicates a draw-head, which is provided atitsrearend with a centrallongitudinal opening B and at its front end with recesses O and in itsupper and lower faces and in opposite sides with the recesses D. Projectingfromthe outer corners of the draw-head are the pivotal projectionsE, between which the jaws F and G are pivoted by means of vertical boltsH. These jaws F and G are pivoted between their ends and provided withthe in wardly-extending inner ends 6, which project into recesses formedin the sides of the outer end of the operating-bar I. This bar I isprovided with a rearwardly-extending portion .I, which extends into thelongitudinal opening B, the projections e upon its upper and lowersides, which fit in the recesses O, and the laterallyextendingprojections (1, just in rear of the said recesses, which projections dfit into the recesses D made in the sides of the draw-head. Extendingupward from the top of the drawhead is an extension L, which is providedwith a vertical opening P and a vertical slot N at the front sidethereof and communicating with the said opening. A pin Q is placed inthis opening P and is provided with a laterally-extending reduced arm S,which extends through the vertical slot N. This arm S is provided with aring T, which receives a chain that has its opposite end connected witha lever pivoted upon the box of the car, and by means of which lever thesaid pin is raised. In order to prevent the pin from being whollywithdrawn from the extension L, the upper end of the extension over theopening P is provided with a cap U, with which the upper end of'the saidpin engages when it has been raised sufficiently to release thelocking-bar I.

The locking and operating bar I is held normally outward by means of aspring V, which is placed in the rear end of the opening B and engagesthe inner end of the said bar. 'When this bar I is out, the jaws F and Gare separated at their farthest point; but when the bar I is forcedinward against the tension of the spring by the jaw of an adjoining carstriking it, the two jaws are forced together and catch between them thejaw of an adjoining car, and the pin drops through an opening a in thebar I, and thus looks it inward and the jaws closed. The inner ends 2'are rounded, as shown upon their outer sides, so that when the operatingand locking bar I is forced outward by the spring the rounded portionsrock against the operating and guiding projections d of the said bar.

When it is desired to uncouple the cars, it is only necessary to raisethe pin either by hand or through the medium of a lever, when the bar Iwill move outward and the jaws F and G be opened, thus releasing the jawheld thereby.

Having thus described my invention, what I claim, and desire to secureby LettersPatent, is

1. A car-coupling comprising a draw-head, an operating-bar movinglongitudinally therein, and a jaw pivoted between its ends to the frontend of the said draw-head, the said bar having a recess in its side forthe reception of the inner end of the said jaw, substantially as setforth.

2. A car-coupling comprising a draw-head,

an operating-bar movinglongitudinally therein and provided withalaterally-extending projection, and a jaw pivoted between its ends tothe outer end of the draw-head, the inner end of the said jaw beingrounded upon its outer side, and with which the said lateral projectionengages, substantially as described.

3. A car-coupling comprising a draw-head, an operating-bar movinglongitudinally therein, two jaws being each pivoted between their endsto opposite sides of the outer end of the draw-head, the inner ends ofthe said jaws engaging the said bar to be operated thereby, and a lockfor the said bar, substantially as specified.

4. A car-coupling comprising two jaws pivoted at opposite sides of itsfront end, one jaw extending inward farther than the other, and a meansfor operating the two jaws to throw which moves in the said opening, thepin having an arm which extends laterally therefrom and moves in thesaid slot, substantially as specified.

In testimony whereof I affix my signature in presence of two witnesses.

SAMUEL B. DOVER.

Witnesses:

J. P. ToMLINsoN, W. T. SEXToN.

